| Literature DB >> 4123388 |
F D Lindström, W R Hardy, B J Eberle, R C Williams.
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Year: 1973 PMID: 4123388 DOI: 10.7326/0003-4819-78-6-837
Source DB: PubMed Journal: Ann Intern Med ISSN: 0003-4819 Impact factor: 25.391